Air Quality in Tri-Cities, United States

Clear
14.9°C · 29.7% humidity
14.9°
Feels 14.9°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
27 2pm
32
33
29 5pm
17
4
4 8pm
4
4
4 11pm
4
4
4 2am
4
4
4 5am
4
4
4 8am
17
17
17 11am
17
17
Station readings
27
32
33
29
27
CAMS model adj -8
50
37
37
37
25
12
12
12
12
12
12
12
12
12
12
12
12
12
12
25
25
25
25
25
AD 728×90

PM2.5 Trend (24h)

27h · 3 stations
29.7%
Humidity
19.5 km/h
Wind NNE
1015.0 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Tri-Cities?

Temperature & Precipitation

PM2.56.57 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (4 stations within 25 km)
6.57
Median
7.94
Average
5.52
Low
13.11
High
PM2.5 µg/m³ · Model: 2.9 · Bias: -3.7

What is the 7-day forecast for Tri-Cities?

04-09
16.6° 9.6°
04-10
18.7° 9.5°
04-11
19.4° 7.7°
04-12
13.4° 3.8°
04-13
15.3° 6.2°
04-14
15.6° 4.6°
04-15
16.2° 4.7°
Both models agree Avg diff: 2.9°C

Where are air quality stations near Tri-Cities?

42
Metaline, Kennewick, Washington, USA
3.0 km
43
Metaline, Kennewick, Washington, USA
3.0 km
16
Kennewick-S Steptoe St
5.8 km PM2.5: 3.9 µg/m³
54
Pasco
7.9 km PM2.5: 13.5 µg/m³
28
Burbank-Maple St
15.3 km PM2.5: 6.7 µg/m³
37
Finley-S Finley Rd
15.9 km PM2.5: 8.9 µg/m³

What cities are near Tri-Cities?

28 Kennewick 28 Pasco 28 Richland 28 Hermiston 34 Sunnyside 28 Walla Walla 28 Pendleton 28 Moses Lake 22 Yakima 20 Ellensburg

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T17:33 UTC.